./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:14:03,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:14:03,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 21:14:03,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:14:03,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:14:03,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:14:03,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:14:03,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:14:03,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:14:03,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:14:03,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:14:03,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:14:03,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:14:03,217 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:14:03,217 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:14:03,217 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:14:03,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:14:03,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:14:03,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:14:03,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:14:03,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:14:03,218 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:14:03,218 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:14:03,218 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:14:03,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:14:03,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:14:03,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:14:03,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:14:03,219 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:14:03,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:14:03,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b [2024-11-13 21:14:03,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:14:03,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:14:03,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:14:03,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:14:03,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:14:03,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c Unable to find full path for "g++" [2024-11-13 21:14:05,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:14:05,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:14:05,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2024-11-13 21:14:05,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/data/3ea057994/9622798b503e4293b7ac7a8357e86866/FLAGd1d806269 [2024-11-13 21:14:05,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/data/3ea057994/9622798b503e4293b7ac7a8357e86866 [2024-11-13 21:14:05,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:14:05,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:14:05,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:14:05,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:14:05,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:14:05,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:14:05" (1/1) ... [2024-11-13 21:14:05,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a635d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:05, skipping insertion in model container [2024-11-13 21:14:05,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:14:05" (1/1) ... [2024-11-13 21:14:05,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:14:06,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:14:06,012 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:14:06,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:14:06,053 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:14:06,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06 WrapperNode [2024-11-13 21:14:06,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:14:06,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:14:06,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:14:06,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:14:06,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,096 INFO L138 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2024-11-13 21:14:06,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:14:06,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:14:06,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:14:06,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:14:06,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:14:06,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:14:06,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:14:06,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:14:06,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:14:06,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:14:06,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:14:06,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:14:06,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:14:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:14:06,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:14:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:14:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:14:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:14:06,307 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:14:06,310 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:14:06,524 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 21:14:06,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:14:06,619 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:14:06,622 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 21:14:06,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:14:06 BoogieIcfgContainer [2024-11-13 21:14:06,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:14:06,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:14:06,625 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:14:06,636 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:14:06,636 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:14:06" (1/1) ... [2024-11-13 21:14:06,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:14:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-13 21:14:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-13 21:14:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:14:06,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:06,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:14:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-11-13 21:14:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-13 21:14:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:14:06,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:06,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:14:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-13 21:14:07,424 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-13 21:14:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:14:07,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:14:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2024-11-13 21:14:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-11-13 21:14:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:14:08,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:08,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:14:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-13 21:14:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 21:14:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:14:08,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:14:08,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:14:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:14:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:14:08,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:14:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:14:08,677 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 21:14:08,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:14:08 ImpRootNode [2024-11-13 21:14:08,707 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:14:08,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:14:08,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:14:08,708 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:14:08,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:14:06" (3/4) ... [2024-11-13 21:14:08,709 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:14:08,749 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:14:08,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:14:08,752 INFO L158 Benchmark]: Toolchain (without parser) took 2973.29ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 70.2MB in the end (delta: 48.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-13 21:14:08,752 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:14:08,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.97ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:14:08,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.74ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:14:08,753 INFO L158 Benchmark]: Boogie Preprocessor took 38.15ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 962.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:14:08,754 INFO L158 Benchmark]: RCFGBuilder took 488.08ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 88.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:14:08,755 INFO L158 Benchmark]: CodeCheck took 2082.20ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 72.0MB in the end (delta: 16.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-13 21:14:08,755 INFO L158 Benchmark]: Witness Printer took 42.25ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 70.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:14:08,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 24 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 26 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L33] i = 0 VAL [b={2:0}, i=0] [L33] COND TRUE i < 100 [L34] CALL foo(i, b, i + 1) [L21] int a[n], i; [L22] i = 0 VAL [a={3:0}, b={2:0}, i=0, size=1] [L22] COND TRUE i < size VAL [a={3:0}, b={2:0}, i=0, size=1] [L23] EXPR b[i] VAL [a={3:0}, b={2:0}, i=0, size=1] [L23] a[i] = b[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.97ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.74ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.15ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 962.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 488.08ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 88.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2082.20ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 72.0MB in the end (delta: 16.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 42.25ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 70.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:14:08,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b09904c2-6123-418c-8d58-4658e27dd909/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)